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Manager of Education and Experiential Learning
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NELSON

Mechanical Engineer – EIT (HVAC)

Knoxville, TN, United States

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Job details

Experience: Up to 3 years of HVAC design experience in commercial, institutional, or industrial facilities.
Posting language: English
Posted: Nov 6, 2026

Original job description

NELSON is seeking a Mechanical Engineer – EIT (HVAC) to support the design and development of mechanical systems for a variety of projects. Working under the direction of licensed professional engineers, this role will contribute to HVAC design, construction documentation, and multidisciplinary coordination while continuing to develop technical knowledge and engineering skills. This position offers an opportunity to gain hands-on experience and grow within a collaborative, project-driven environment. Must be able to work full-time, in-person.

Attributes to support the NELSON culture:

Go All In. Own the Outcome. We go all in - with urgency, follow-through, and pride in the result.
Be Direct. Be Respectful. Be Authentic. We keep it real - with clarity, candor, and care.
Grow with Purpose. We embrace growth - through learning, coaching, and continuous improvement.
Think Bold. Execute Smart. We think boldly - and pair ambition with discipline.
Make Space for Everyone. We value you - and build a culture where people can thrive and do their best work.

Qualifications:

To perform this job successfully, an individual must be able to perform each essential duty and responsibility satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Critical features of this job are described under the headings below. They may be subject to change at any time due to reasonable accommodation or other reasons.

Essential Duties and Responsibilities include the following. Other duties may be assigned:

Provide mechanical engineering design support under the direction of licensed professional engineers.
Perform HVAC load calculations, ventilation calculations, equipment sizing, and basic system design.
Assist with the design of unitary HVAC systems, including packaged DX equipment, split systems, heat pumps, and air distribution.
Develop mechanical construction documents using Autodesk Revit, including equipment layouts, ductwork, piping, and schedules.
Research applicable mechanical codes, ASHRAE standards, and design requirements with guidance from senior staff.
Coordinate with other disciplines and assist with field investigations and construction administration.
Follow technical direction, manage assigned tasks, and develop independent engineering capabilities.

Education, Experience & Certifications:

Required:

Bachelor's degree in Mechanical Engineering from an ABET-accredited program.
Engineer Intern (EI/EIT) certification.
Basic understanding of HVAC fundamentals, heating and cooling loads, ventilation, and mechanical systems.
Working knowledge of Autodesk Revit and Bluebeam Revu.
Strong communication skills and ability to work under the direction of licensed engineers.

Preferred:

Up to 3 years of HVAC design experience in commercial, institutional, or industrial facilities.
Experience performing HVAC load calculations, equipment selections, and designing unitary HVAC systems.
Familiarity with mechanical codes, ASHRAE standards, and energy codes.
Experience with healthcare, justice/detention, K-12 educational, publicly funded, and industrial projects.

Working Conditions & Physical Requirements:

This is an in-office position requiring regular collaboration with engineering staff.
Periodic travel for site visits and client meetings is required.

Benefits of NELSON: (additional benefit details can be found at: nelsonworldwide.com/careers)

401(K) plan with company match
Full health benefits including medical, dental, and vision
Wellness program with rewards for healthy activities
Pet Insurance
Opportunities for career advancement
Paid time off and holiday pay
Paid parental leave
Flexible working schedules and work from home options based on client’s needs
Professional Development including discretionary support and reimbursement for registrations, certifications, and membership to a professional organization

NELSON and its related affiliates are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to age, race, color, ancestry, religion, sex, sexual orientation, gender identity or expression, transgender, national origin, status as a protected veteran, disability or any other classification protected by law.

#In-Person

#OnSite

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More about this job

Skills

EIT
HVAC
Documentation
Mechanical engineering
Building systems monitoring technology
Autodesk Revit
Research
Mechanical systems
Bluebeam
Communication skills

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